Castellar VIII 20 Through Wall Wood Burning Sauna Heater

Castellar VIII is a Finnish-made Key Flag product, also available as a tunnel stove with a fireplace-style firebox. The tunnel model keeps the sauna room dedicated to bathing while the glass hatch creates atmosphere in the adjacent space.

With a large stone capacity, Castellar VIII delivers soft, humid steam and a traditional sauna experience. The fireplace model is available with a stainless steel casing, wooden handles for comfort, and a double base for easy installation.

The tunnel is designed for a 12.3 cm wall thickness with a 16.8 cm tunnel length, ensuring safe clearances. Installing the heater on a mounting base will affect its overall height

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